@Joedemigod4 The Palm swipe is not mentioned in the Manual and therefore seems it is not an option. Would show in advanced features - Motion and Gestures as @Fiona26 has described.
From Manual : Screen capture
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My Device- S21 Ultra 5G ( SM-998B/DS ) CSC= BTU , 12GB/256GB
One Ui 5.0,Android 13 .